Cleaning sheet



FIG. 1 is a perspective view of a cleaning sheet showing our new design;

FIG. 2 is a top view of the cleaning sheet;

FIG. 3 is a front view of the cleaning sheet;

FIG. 4 is a right view of the cleaning sheet;

FIG. 5 is a enlarged perspective view of the cleaning sheet; and,

FIG. 6 is a enlarged perspective view of the sheet showing the underlying layer.

The broken lines immediately adjacent to the shaded areas depict the boundaries of the claimed design. The broken lines depict unclaimed adjacent areas of the cleaning sheet. No part of the claim is depicted by the broken lines. 

The ornamental design for a cleaning sheet, as shown and described. 